package com.example.nettry.demo.repair;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

import java.util.logging.Logger;

/**
 * @author Eastern unbeaten
 * @email chenshiyun2011@163.com
 * @date 2019/10/5 上午12:40
 */
public class TimeClientHandler extends ChannelHandlerAdapter {
    private static final Logger logger = Logger
            .getLogger (TimeClientHandler.class.getName ( ));

    private int counter;
    private byte[] req;

    /**
     * Creates a client-side handler.
     */
    public TimeClientHandler() {
        logger.info ("初始化资源");
        req = ("QUERY TIME ORDER" + System.getProperty("line.separator"))
                .getBytes();

    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        logger.info ("推送数据");
        ByteBuf message = null;
        for (int i = 0; i < 100; i++) {
            message = Unpooled.buffer(req.length);
            message.writeBytes(req);
            ctx.writeAndFlush(message);
        }
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg)
            throws Exception {
        String body = (String) msg;
        //不需要手动转换
        logger.info ("打印结果");
        System.out.println("Now is : " + body + " ; the counter is : "
                + ++counter);


    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        // 释放资源
        logger.warning ("Unexpected exception from downstream : "
                + cause.getMessage ( ));
        ctx.close ( );
    }

}
